Remove DrawingMgr shims from GrContext

gm/texdata.cpp

Index: gm/texdata.cpp
diff --git a/gm/texdata.cpp b/gm/texdata.cpp
index c89ce734f7584e3d12d015310d66768f53b26855..617ed027438120cdb2faaad94ffbb192ce6c99f2 100644
--- a/gm/texdata.cpp
+++ b/gm/texdata.cpp
@@ -22,7 +22,8 @@ static const int S = 200;
 DEF_SIMPLE_GM_BG(texdata, canvas, 2 * S, 2 * S, SK_ColorBLACK) {
         GrRenderTarget* target = canvas->internal_private_accessTopLayerRenderTarget();
         GrContext* ctx = canvas->getGrContext();
-        SkAutoTUnref<GrDrawContext> drawContext(ctx ? ctx->drawContext(target) : nullptr);
+        SkAutoTUnref<GrDrawContext> drawContext(ctx ? ctx->drawingMgr().drawContext(target) 

[bsalomon, 2015/10/16 17:54:53]

really want to have to go through ->drawingMgr() for this one?

+                                                    : nullptr);
         if (drawContext && target) {
             SkAutoTArray<SkPMColor> gTextureData((2 * S) * (2 * S));
             static const int stride = 2 * S;